Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Kathryn Ann Guffin, RDH
Dental Hygienist in Hagerstown, MD · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1093688483
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Registry record
Entity type Individual (Type 1)
Name Kathryn Ann Guffin
Credential RDH
Sex Female
Practice address 201 S Cleveland Ave, Hagerstown, MD, 21740
Phone (301) 745-3777
Enumeration date Sep 24, 2025
Last updated in NPPES Sep 24, 2025
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Kathryn Guffin practice?
The practice location on file with NPPES is in Hagerstown, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Kathryn Guffin?
The National Provider Identifier (NPI) for Kathryn Guffin is 1093688483, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Martha Pendleton-Riggle Family Medicine Physician · Hagerstown, MD NPI 1306829205 Walnut Street Community Health Center, Inc. Federally Qualified Health Center (FQHC) · Hagerstown, MD NPI 1366425266 Calista Dickey Acupuncturist · Hagerstown, MD NPI 1083743439 Walnut Street Community Health Center Dental Clinic/Center · Hagerstown, MD NPI 1982804977 Katherine Wafer Family Nurse Practitioner · Hagerstown, MD NPI 1164617379 Charles J Supernavage, MD, PC Otolaryngology Physician · Hagerstown, MD NPI 1639337405 Walnut Street Community Health Center Public Health Dentistry · Hagerstown, MD NPI 1104135268 Walnut Street Community Health Center Inc Dental Clinic/Center · Hagerstown, MD NPI 1487930913
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-24.